vulnerability
Amazon Linux 2023: CVE-2024-45776: Medium priority package update for grub2
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Feb 18, 2025 | Apr 15, 2025 | Jul 9, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Feb 18, 2025
Added
Apr 15, 2025
Modified
Jul 9, 2025
Description
When reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.
Solutions
amazon-linux-2023-upgrade-grub2-commonamazon-linux-2023-upgrade-grub2-debuginfoamazon-linux-2023-upgrade-grub2-debugsourceamazon-linux-2023-upgrade-grub2-efi-aa64amazon-linux-2023-upgrade-grub2-efi-aa64-cdbootamazon-linux-2023-upgrade-grub2-efi-aa64-ec2amazon-linux-2023-upgrade-grub2-efi-aa64-modulesamazon-linux-2023-upgrade-grub2-efi-x64amazon-linux-2023-upgrade-grub2-efi-x64-cdbootamazon-linux-2023-upgrade-grub2-efi-x64-ec2amazon-linux-2023-upgrade-grub2-efi-x64-modulesamazon-linux-2023-upgrade-grub2-emuamazon-linux-2023-upgrade-grub2-emu-debuginfoamazon-linux-2023-upgrade-grub2-emu-modulesamazon-linux-2023-upgrade-grub2-pcamazon-linux-2023-upgrade-grub2-pc-modulesamazon-linux-2023-upgrade-grub2-toolsamazon-linux-2023-upgrade-grub2-tools-debuginfoamazon-linux-2023-upgrade-grub2-tools-efiamazon-linux-2023-upgrade-grub2-tools-efi-debuginfoamazon-linux-2023-upgrade-grub2-tools-extraamazon-linux-2023-upgrade-grub2-tools-extra-debuginfoamazon-linux-2023-upgrade-grub2-tools-minimalamazon-linux-2023-upgrade-grub2-tools-minimal-debuginfo
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